they waited for john, paul, george, and ringo to arrive and then later, there was a performance right here in washington, d.c. >>> lawmakers in britain have passed a bill requiring every dog owner to microchip their pet. the move is designed to cut down on the more than 100,000 dogs that are lost or dumped in the u.k. every year. >> reporter: judy maguire has a tight grip on her west highland terrier. >> she's pretty g. she stays by -- pretty good. she stays by. >> reporter: but if she did run off, there's a good chance her owner would find her because she has a microchip inside her. lawmakers in england are now requiring all dogs to be fitted with a chip that's coded with their owner's details. >> i want this to have a positive impact. there are 110,000 dogs get lost every year or get dumped. only about half of them get back to their original owners. >> reporter: the mandate goes into effect in three years. owners who don't comply could be slapped with an $800 fine. many animal shelters in england will put the chip in for free. it's tiny, just the size of a grain of rice, and it's pl